Aglyptinus biseriatus Peck and Cook, 2014

Peck, Stewart B. & Cook, Joyce, 2014, A review of the small carrion beetles and the round fungus beetles of the West Indies (Coleoptera: Leiodidae), with descriptions of two new genera and 61 new species., Insecta Mundi 2014 (397), pp. 1-76 : 47-48

Aglyptinus biseriatus Peck and Cook , new species

Figures 72, 73

Diagnostic description. Length 1.2-1.5 mm; greatest width 0.8–1.1 mm. Shining; color dark reddish brown; sides of pronotum, antennae and tarsi paler. Head finely, moderately sparsely punctate; pronotum and elytra finely, sparsely punctate. Antennae slightly longer than width of head, not reaching pronotal base; apical antennomere distinctly paler than preceding antennomeres. Maxillary palps unmodified. Eyes slightly reduced in size. Wings slightly reduced. Metasternum minutely, sparsely punctate medially; with fine lines of microsculpture laterally. Male protarsi and mesotarsi densely setose; male legs otherwide unmodified. Aedeagus ( Fig. 72, 73 ) evenly rounded dorsoventrally, apex smoothly downturned and evenly tapered to rounded apex. Internal sac with two rows of spines and elongate, sinuate sclerite. Parameres tapering to narrow apex.

Type material. Holotype, male with the following label data: “ CUBA: SANTIAGO PROV./ Gran Piedra , 2nd Chorrito / 9.XII.1995, km8/ leaf and stick litter/ S. Peck, 95-88” ( SBPC) . Paratypes (52): with same data as holotype (9, SBPC; 3, FMNH; 3, FSCA; 3, MCZC) ; Cuba: Santiago de Cuba, Parque Nacional Gran Piedra , 550m, 20.001 -75.673, 26.I.2012, R. Anderson, mixed hardwood litter, 2012-007 (15, SBPC) ; same locality, Trail to Cerro Mogote , 770m, 19.997 -75.582, 28.I.2012, R. Anderson, wet mixed litter, 2012-009 (1, SBPC) ; same data except: 800m, 19.999 -75.583, F. Cala, 2012-012 (7, SBPC) ; CUBA: Guantanamo, El Yunque, Peak, 540m, 20.313 -74.574, 31.I.2012, F. Cala, wet rain forest litter, 2012-018 (4, SBPC) ; same data except: 1.II.2012, N. Franz, 2012-021 (7, SBPC) .

Distribution. Known only from Cuba.

Etymology. The epithet biseriatus (Latin bi, two; seriatus, row) refers to the double row of spines in the aedeagal internal sac of this species.

Figures

Figures 70–91. Aedeagi, lateral and dorsal apical views, of Aglyptinus. 70, 71) A. bahamensis. 72, 73) A. biseriatus. 74, 75) A. capitaneus. 76, 77) A. fortipunctatus. 78, 79) A. minutus. 80, 81) A. sinuatus. 82, 83) A. dimorphicus (from Peck 1972). 84, 85) A. jamaicensis (from Peck 1972). 86, 87) A. hemipterus. 88, 89) A. maculus. 90, 91) A. parvoculus. Scale line = 0.30 mm, Fig. 70–73, 76–85, 88, 89; 0.35 mm, Fig. 74, 75, 90, 91; 0.45 mm, Fig. 86, 87.